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106686720000 = 211355473
BaseRepresentation
bin110001101011100000…
…1100010100000000000
3101012101011212220200000
41203113001202200000
53221443300020000
6121002230400000
710464540105000
oct1432701424000
9335334786600
10106686720000
1141277965883
1218815200000
13a0a2c480b3
14524114c000
152b962c0000
hex18d7062800

106686720000 has 1440 divisors, whose sum is σ = 465657192000. Its totient is φ = 24385536000.

The previous prime is 106686719981. The next prime is 106686720037. The reversal of 106686720000 is 27686601.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a super-2 number, since 2×1066867200002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 15240959997 + ... + 15240960003.

It is an arithmetic number, because the mean of its divisors is an integer number (323373050).

Almost surely, 2106686720000 is an apocalyptic number.

106686720000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106686720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232828596000).

106686720000 is an abundant number, since it is smaller than the sum of its proper divisors (358970472000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106686720000 is an frugal number, since it uses more digits than its factorization.

106686720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

106686720000 divided by its product of nonzero digits (24192) gives a square (4410000 = 21002).

The spelling of 106686720000 in words is "one hundred six billion, six hundred eighty-six million, seven hundred twenty thousand".